Add vogelheim@ to v8 OWNERS

R=danno@chromium.org, vogelheim@chromium.org
LOG=n
BUG=none

Review URL: https://codereview.chromium.org/377933002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22280 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

OWNERS

@@ -18,4 +18,5 @@ titzer@chromium.org
 ulan@chromium.org
 vegorov@chromium.org
 verwaest@chromium.org
+vogelheim@chromium.org
 yangguo@chromium.org